Circumferential Antenna Implant Sensor Design
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Solution Overview
Problem
Existing patient data sensor devices are bulky and annoying for patients post-implantation, posing a risk of infection due to rigid edges and requiring significant skull bone milling, with suboptimal data transmission and increased risk of interference.
Innovation Solution
A compact patient data sensor device with a circumferentially arranged antenna that reduces carrier plate size, allowing for flexible design and reduced height, avoiding rigid edges and enhancing data transmission, using a flexible carrier plate and biocompatible materials with a convex cover for improved comfort and sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the antenna is arranged in the center of the carrier plate, then the installation space for electronic components is increased, but the overall device size increases and patient comfort deteriorates
Solution Approach 1:
The antenna is moved from a central planar arrangement to a circumferential arrangement around the edge of the carrier plate. This dimensional repositioning allows electronic components to be densely packed in the central area while keeping the antenna periphery, thereby reducing the overall device footprint and improving patient comfort without compromising component installation space.
2Adaptability or versatility
If the carrier plate is made large to accommodate all components, then component arrangement flexibility is improved, but the device becomes more annoying to the patient and requires more skull bone milling
Solution Approach 1:
The carrier plate is segmented into two functional zones: a central area for electronic components and a circumferential area for the antenna. This segmentation allows compact arrangement of components in the center while placing the antenna at the periphery, reducing the overall device size and minimizing patient discomfort and infection risk.
Solution Approach 2:
Different regions of the carrier plate are assigned different functions and properties. The central region is optimized for electronic component density, while the peripheral region is dedicated to the antenna. This local differentiation enables compact overall design while maintaining component arrangement flexibility in the central zone.
3Reliability
If the antenna diameter is increased for better data transmission, then transmission quality improves, but the device size increases and may overlap with electronic components causing interference
Solution Approach 1:
The antenna is repositioned from a central location to a circumferential arrangement around the periphery of the carrier plate. This spatial reconfiguration allows the antenna to achieve a larger effective diameter for improved data transmission while preventing overlap with centrally located electronic components, thereby avoiding transmission interference.
4Ease of manufacture
If rigid edges are used in the sensor device structure, then manufacturing simplicity is improved, but stress on the scalp increases and infection risk rises
Solution Approach 1:
The carrier plate is designed with rounded edges instead of sharp rigid edges. This curvature modification reduces stress concentration on the scalp during implantation and eliminates sharp edges that could cause tissue damage or infection, while maintaining manufacturing simplicity through standard rounding processes.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution results in a more tolerable and comfortable implant with reduced infection risk, improved data transmission, and minimized skull bone disruption, while maintaining effective electrical insulation and sealing.
Implementation Method 1
The antenna (11) is arranged around the edge area (8, 7) of the carrier plate (5, 7) in a circumferential arrangement and serves as a data transmission device for data transmission between the patient data sensor (2) and external devices
Data Source
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AI summary
The invention relates to a patient data sensor device (1), having an implantable patient data sensor (2) and an implantable data transmission apparatus (4), which is in signal connection to the patient data sensor (2). The data transmission apparatus (4) has an antenna (11) for the telemetric data transmission to an external data processing unit. The data transmission apparatus (4) further comprises a support plate (5, 7) for electronic components (9, 10). The latter are covered on the support plate (5, 7) by a cover (14), at least toward one side. The antenna (11) is configured in an edge region (8) of the support plate (5, 7), and about the same, and about the electronic components (9, 10) in a circumferential manner. The result is a patient data sensor device that is configured in a more tolerable manner for the patient.